PORSCHE RACING HISTORYDave Helmick (USA)
1977 : Daytona 24 Hours - 1st overall
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 Carrera RSR | 911 560 9112 | GTO | Hurley Haywood (USA)/John Graves (USA)/Dave Helmick (USA) | Ecurie Escargot (USA) | 1st | 1st | 12th | 681 laps |